bought these cameras for use in an area where there is a high chance of them being stolen, so I didn't want to spend a lot of money on them. I also have two much more expensive name brand cameras in a similar (slightly safer) area, so I have something to compare. These cameras work just as well as the name brand cameras. I've been using the same AA batteries for over a month and they're still over 3/4 full. The daytime images come out crystal clear. The night vision images are a little blurry when the target is moving, but... it's dark, so... what do you expect. One thing to note: unless you want to get THOUSANDS of images of what must be triggered by the movement of dividing cells or pollen blowing in the air.... set the sensitivity to something less than max. I ended up with 14,000 (not exaggerating) images of absolutely NOTHING happening in the first few days. Well... I didn't go through all 14,000 images, so maybe SOMETHING happened, but I got tired of worrying about the first seven or so thousand images of a tree that is a tree (that doesn't even blow in the wind). Overall, I would buy it again and recommend it to anyone.